during a trip to asia, president obama warned israel about expanding into a ground war but he defended israel's fighting back. >> there's no country on earth that would tolerate missiles raining down on its citizens from outside its borders. >> reporter: u.n. secretary- general ban ki-moon is in cairo, egypt today to assist cease-fire talks there. the threat of a ground war remains. thousands of israeli tanks, soldiers and rocket launchers are ready to cross the border awaiting the command. susan mcginnis, cbs news, washington. >>> and here's a look at some live pictures of gaza city now. the israeli air force briefly took control of hamas radio network warning people in gaza to stay away from hamas facilities. >>> president obama's southeast asian trip continues today after cambodia after a visit to burma. he is the first u.s. president to visit myanmar which has been make a transition to democracy after years of human rights abuses. he met with a long time advocate and spoke at a university, an event broadcast throughout the country. >> in my discussions here, our goal is to sustain